package com.meta.act.app.service;

import com.meta.act.app.tenant.entity.TenantUser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import com.meta.framework.act.entity.SysUser;
import com.meta.framework.act.model.LoginUser;
import com.meta.framework.common.enums.UserStatus;
import com.meta.framework.common.exception.BaseException;
import com.meta.framework.common.utils.StringUtils;

import java.util.List;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService
{
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private ISysUserService userService;

    @Autowired
    private SysPermissionService permissionService;

    @Autowired
    private TenantQryService tenantQryService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException
    {
        SysUser user = userService.selectUserByUserName(username);

        if (StringUtils.isNull(user))
        {
            log.info("登录用户：{} 不存在.", username);
            throw new UsernameNotFoundException("登录用户：" + username + " 不存在");
        }
        else if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            log.info("登录用户：{} 已被删除.", username);
            throw new BaseException("对不起，您的账号：" + username + " 已被删除");
        }
        else if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            log.info("登录用户：{} 已被停用.", username);
            throw new BaseException("对不起，您的账号：" + username + " 已停用");
        }

        return createLoginUser(user);
    }

    public UserDetails createLoginUser(SysUser user)
    {
        Long tenantId ;
        // 登录成功，往登录用户筛入租户ID(找不到租户则使用默认值1)
        List<TenantUser> tuList =  tenantQryService.listTenant(user.getUserId());
        if( tuList != null && tuList.size() > 0 ){
            tenantId = tuList.get(0).getTenantId();
        } else {
            throw new BaseException("对不起，没找到租户");
        }
        try{
            user = userService.selectUserById(user.getUserId(), tenantId);
        }catch(Exception e){
            log.error("登录查询用户信息报错",e);
        }
        LoginUser loginUser = new LoginUser(user, permissionService.getMenuPermission(user));
        loginUser.setTenantId(tenantId);

        return loginUser;
    }
}
